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<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * $Id: RequestStorageImpl.html 12 2009-01-29 12:00:24Z azeckoski $</em>
<a name="3" href="#3">3</a>   <em> * $URL: http://entitybus.googlecode.com/svn/maven/site/entitybus-utils/xref/org/sakaiproject/entitybus/util/request/RequestStorageImpl.html $</em>
<a name="4" href="#4">4</a>   <em> * RequestStorageImpl.java - entity-broker - Jul 24, 2008 2:26:09 PM - azeckoski</em>
<a name="5" href="#5">5</a>   <em> **************************************************************************</em>
<a name="6" href="#6">6</a>   <em> * Copyright (c) 2008 Sakai Foundation</em>
<a name="7" href="#7">7</a>   <em> *</em>
<a name="8" href="#8">8</a>   <em> * Licensed under the Educational Community License, Version 2.0 (the "License");</em>
<a name="9" href="#9">9</a>   <em> * you may not use this file except in compliance with the License.</em>
<a name="10" href="#10">10</a>  <em> * You may obtain a copy of the License at</em>
<a name="11" href="#11">11</a>  <em> *</em>
<a name="12" href="#12">12</a>  <em> *       <a href="http://www.osedu.org/licenses/ECL-2.0" target="alexandria_uri">http://www.osedu.org/licenses/ECL-2.0</a></em>
<a name="13" href="#13">13</a>  <em> *</em>
<a name="14" href="#14">14</a>  <em> * Unless required by applicable law or agreed to in writing, software</em>
<a name="15" href="#15">15</a>  <em> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="16" href="#16">16</a>  <em> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="17" href="#17">17</a>  <em> * See the License for the specific language governing permissions and</em>
<a name="18" href="#18">18</a>  <em> * limitations under the License.</em>
<a name="19" href="#19">19</a>  <em> */</em>
<a name="20" href="#20">20</a>  
<a name="21" href="#21">21</a>  <strong>package</strong> org.sakaiproject.entitybus.util.request;
<a name="22" href="#22">22</a>  
<a name="23" href="#23">23</a>  <strong>import</strong> java.io.Serializable;
<a name="24" href="#24">24</a>  <strong>import</strong> java.util.Comparator;
<a name="25" href="#25">25</a>  <strong>import</strong> java.util.Enumeration;
<a name="26" href="#26">26</a>  <strong>import</strong> java.util.HashMap;
<a name="27" href="#27">27</a>  <strong>import</strong> java.util.Locale;
<a name="28" href="#28">28</a>  <strong>import</strong> java.util.Map;
<a name="29" href="#29">29</a>  <strong>import</strong> java.util.Map.Entry;
<a name="30" href="#30">30</a>  
<a name="31" href="#31">31</a>  <strong>import</strong> javax.servlet.http.HttpServletRequest;
<a name="32" href="#32">32</a>  
<a name="33" href="#33">33</a>  <strong>import</strong> org.sakaiproject.entitybus.entityprovider.extension.RequestGetter;
<a name="34" href="#34">34</a>  <strong>import</strong> org.sakaiproject.entitybus.entityprovider.extension.RequestStorageWrite;
<a name="35" href="#35">35</a>  <strong>import</strong> org.azeckoski.reflectutils.ReflectUtils;
<a name="36" href="#36">36</a>  
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>  <em>/**<em>*</em></em>
<a name="39" href="#39">39</a>  <em> * Impl for the request store,</em>
<a name="40" href="#40">40</a>  <em> * will store values in the request itself and will maintain a map of all request values in a threadlocal</em>
<a name="41" href="#41">41</a>  <em> * which should always be cleared at the end of the request</em>
<a name="42" href="#42">42</a>  <em> * </em>
<a name="43" href="#43">43</a>  <em> * @author Aaron Zeckoski (azeckoski @ gmail.com)</em>
<a name="44" href="#44">44</a>  <em> */</em>
<a name="45" href="#45">45</a>  @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="46" href="#46">46</a>  <strong>public</strong> <strong>class</strong> <a href="../../../../../org/sakaiproject/entitybus/util/request/RequestStorageImpl.html">RequestStorageImpl</a> implements RequestStorageWrite {
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>      <strong>protected</strong> <a href="../../../../../org/sakaiproject/entitybus/util/request/RequestStorageImpl.html">RequestStorageImpl</a>() { }
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>      <strong>public</strong> <a href="../../../../../org/sakaiproject/entitybus/util/request/RequestStorageImpl.html">RequestStorageImpl</a>(RequestGetter requestGetter) {
<a name="51" href="#51">51</a>          <strong>super</strong>();
<a name="52" href="#52">52</a>          <strong>this</strong>.requestGetter = requestGetter;
<a name="53" href="#53">53</a>      }
<a name="54" href="#54">54</a>  
<a name="55" href="#55">55</a>      <strong>private</strong> ThreadLocal&lt;HashMap&lt;String, Object>> requestStore = <strong>new</strong> ThreadLocal&lt;HashMap&lt;String,Object>>();
<a name="56" href="#56">56</a>      <strong>protected</strong> HashMap&lt;String, Object> getInternalMap() {
<a name="57" href="#57">57</a>          <strong>if</strong> (requestStore.get() == <strong>null</strong>) {
<a name="58" href="#58">58</a>              requestStore.set( <strong>new</strong> HashMap&lt;String, Object>() );
<a name="59" href="#59">59</a>          }
<a name="60" href="#60">60</a>          <strong>return</strong> requestStore.get();
<a name="61" href="#61">61</a>      }
<a name="62" href="#62">62</a>  
<a name="63" href="#63">63</a>      <strong>private</strong> RequestGetter requestGetter;
<a name="64" href="#64">64</a>      <strong>public</strong> <strong>void</strong> setRequestGetter(RequestGetter requestGetter) {
<a name="65" href="#65">65</a>          <strong>this</strong>.requestGetter = requestGetter;
<a name="66" href="#66">66</a>      }
<a name="67" href="#67">67</a>  
<a name="68" href="#68">68</a>      <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="69" href="#69">69</a>  <em class="comment">     * @see org.sakaiproject.entitybus.entityprovider.extension.RequestStorage#inRequest()</em>
<a name="70" href="#70">70</a>  <em class="comment">     */</em>
<a name="71" href="#71">71</a>      <strong>public</strong> <strong>boolean</strong> inRequest() {
<a name="72" href="#72">72</a>          <strong>boolean</strong> in = false;
<a name="73" href="#73">73</a>          <strong>if</strong> (requestGetter.getRequest() != <strong>null</strong>) {
<a name="74" href="#74">74</a>              in = <strong>true</strong>;
<a name="75" href="#75">75</a>          }
<a name="76" href="#76">76</a>          <strong>return</strong> in;
<a name="77" href="#77">77</a>      }
<a name="78" href="#78">78</a>  
<a name="79" href="#79">79</a>      <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="80" href="#80">80</a>  <em class="comment">     * @see org.sakaiproject.entitybus.entityprovider.extension.RequestStorage#getStorageMapCopy()</em>
<a name="81" href="#81">81</a>  <em class="comment">     */</em>
<a name="82" href="#82">82</a>      <strong>public</strong> Map&lt;String, Object> getStorageMapCopy() {
<a name="83" href="#83">83</a>          <strong>return</strong> getStorageMapCopy(<strong>true</strong>, <strong>true</strong>, <strong>true</strong>, <strong>true</strong>);
<a name="84" href="#84">84</a>      }
<a name="85" href="#85">85</a>  
<a name="86" href="#86">86</a>      <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="87" href="#87">87</a>  <em class="comment">     * @see org.sakaiproject.entitybus.entityprovider.extension.RequestStorage#getStoredValue(java.lang.String)</em>
<a name="88" href="#88">88</a>  <em class="comment">     */</em>
<a name="89" href="#89">89</a>      <strong>public</strong> Object getStoredValue(String key) {
<a name="90" href="#90">90</a>          <strong>if</strong> (key == <strong>null</strong>) {
<a name="91" href="#91">91</a>              <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"key must be non-null"</span>);
<a name="92" href="#92">92</a>          }
<a name="93" href="#93">93</a>          <strong>return</strong> getRequestValue(key);
<a name="94" href="#94">94</a>      }
<a name="95" href="#95">95</a>  
<a name="96" href="#96">96</a>      <em>/**<em>*</em></em>
<a name="97" href="#97">97</a>  <em>     * Special version which allows getting only the parts that are desired</em>
<a name="98" href="#98">98</a>  <em>     * @param includeInternal include the internal request values</em>
<a name="99" href="#99">99</a>  <em>     * @param includeHeaders include the request headers</em>
<a name="100" href="#100">100</a> <em>     * @param includeParams include the request parameters</em>
<a name="101" href="#101">101</a> <em>     * @param includeAttributes include the request attributes</em>
<a name="102" href="#102">102</a> <em>     * @return the map with the requested values</em>
<a name="103" href="#103">103</a> <em>     */</em>
<a name="104" href="#104">104</a>     <strong>public</strong> Map&lt;String, Object> getStorageMapCopy(<strong>boolean</strong> includeInternal, <strong>boolean</strong> includeHeaders, <strong>boolean</strong> includeParams, <strong>boolean</strong> includeAttributes) {
<a name="105" href="#105">105</a>         HashMap&lt;String, Object> m = <strong>new</strong> HashMap&lt;String, Object>();
<a name="106" href="#106">106</a>         m.putAll( getRequestValues(includeHeaders, includeParams, includeAttributes) ); <em class="comment">// put in the request ones first</em>
<a name="107" href="#107">107</a>         <strong>if</strong> (includeInternal) {
<a name="108" href="#108">108</a>             m.putAll( getInternalMap() );
<a name="109" href="#109">109</a>         }
<a name="110" href="#110">110</a>         <strong>return</strong> m;
<a name="111" href="#111">111</a>     }
<a name="112" href="#112">112</a> 
<a name="113" href="#113">113</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="114" href="#114">114</a> <em class="comment">     * @see org.sakaiproject.entitybus.entityprovider.extension.RequestStorage#getStoredValueAsType(java.lang.Class, java.lang.String)</em>
<a name="115" href="#115">115</a> <em class="comment">     */</em>
<a name="116" href="#116">116</a>     <strong>public</strong> &lt;T> T getStoredValueAsType(Class&lt;T> type, String key) {
<a name="117" href="#117">117</a>         <strong>if</strong> (type == <strong>null</strong>) {
<a name="118" href="#118">118</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"type must be non-null"</span>);
<a name="119" href="#119">119</a>         }
<a name="120" href="#120">120</a>         Object value = getStoredValue(key);
<a name="121" href="#121">121</a>         T togo = <strong>null</strong>;
<a name="122" href="#122">122</a>         <strong>if</strong> (value != <strong>null</strong>) {
<a name="123" href="#123">123</a>             <strong>if</strong> (value.getClass().isAssignableFrom(type)) {
<a name="124" href="#124">124</a>                 <em class="comment">// type matches the requested one</em>
<a name="125" href="#125">125</a>                 togo = (T) value;
<a name="126" href="#126">126</a>             } <strong>else</strong> {
<a name="127" href="#127">127</a>                 togo = (T) ReflectUtils.getInstance().convert(value, type);
<a name="128" href="#128">128</a>             }
<a name="129" href="#129">129</a>         }
<a name="130" href="#130">130</a>         <strong>return</strong> togo;
<a name="131" href="#131">131</a>     }
<a name="132" href="#132">132</a> 
<a name="133" href="#133">133</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="134" href="#134">134</a> <em class="comment">     * @see org.sakaiproject.entitybus.entityprovider.extension.RequestStorage#setStoredValue(java.lang.String, java.lang.Object)</em>
<a name="135" href="#135">135</a> <em class="comment">     */</em>
<a name="136" href="#136">136</a>     <strong>public</strong> <strong>void</strong> setStoredValue(String key, Object value) {
<a name="137" href="#137">137</a>         <strong>if</strong> (key == <strong>null</strong> || value == <strong>null</strong>) {
<a name="138" href="#138">138</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"key and value must be non-null"</span>);
<a name="139" href="#139">139</a>         }
<a name="140" href="#140">140</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; ReservedKeys.values().length; i++) {
<a name="141" href="#141">141</a>             String rKey = ReservedKeys.values()[i].name();
<a name="142" href="#142">142</a>             <strong>if</strong> (rKey.equals(key)) {
<a name="143" href="#143">143</a>                 <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Cannot change the value of a reserved key: "</span> + rKey);
<a name="144" href="#144">144</a>             }
<a name="145" href="#145">145</a>         }
<a name="146" href="#146">146</a>         setRequestValue(key, value);
<a name="147" href="#147">147</a>     }
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>     <em>/**<em>*</em></em>
<a name="150" href="#150">150</a> <em>     * Resets the request storage and purges all stored values (has no effect on the data in the request)</em>
<a name="151" href="#151">151</a> <em>     */</em>
<a name="152" href="#152">152</a>     <strong>public</strong> <strong>void</strong> reset() {
<a name="153" href="#153">153</a>         getInternalMap().clear();
<a name="154" href="#154">154</a>         <em class="comment">// only clear the known attribute values from the request -AZ</em>
<a name="155" href="#155">155</a>         HttpServletRequest request = requestGetter.getRequest();
<a name="156" href="#156">156</a>         <strong>if</strong> (request != <strong>null</strong>) {
<a name="157" href="#157">157</a>             <strong>for</strong> (String key : getInternalMap().keySet()) {
<a name="158" href="#158">158</a>                 request.removeAttribute(key);
<a name="159" href="#159">159</a>             }
<a name="160" href="#160">160</a>         }
<a name="161" href="#161">161</a>     }
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a>     <em>/**<em>*</em></em>
<a name="164" href="#164">164</a> <em>     * Allows user to set the value of a key directly, including reserved keys</em>
<a name="165" href="#165">165</a> <em>     * @param key</em>
<a name="166" href="#166">166</a> <em>     * @param value</em>
<a name="167" href="#167">167</a> <em>     */</em>
<a name="168" href="#168">168</a>     <strong>public</strong> <strong>void</strong> setRequestValue(String key, Object value) {
<a name="169" href="#169">169</a>         HttpServletRequest request = requestGetter.getRequest();
<a name="170" href="#170">170</a>         <strong>if</strong> (request != <strong>null</strong>) {
<a name="171" href="#171">171</a>             <strong>if</strong> (value instanceof String) {
<a name="172" href="#172">172</a>                 request.setAttribute(key, value);
<a name="173" href="#173">173</a>             }
<a name="174" href="#174">174</a>         }
<a name="175" href="#175">175</a>         getInternalMap().put(key, value);
<a name="176" href="#176">176</a>     }
<a name="177" href="#177">177</a> 
<a name="178" href="#178">178</a>     <em>/**<em>*</em></em>
<a name="179" href="#179">179</a> <em>     * Place all these params into the request storage</em>
<a name="180" href="#180">180</a> <em>     * @param params map of string -> value</em>
<a name="181" href="#181">181</a> <em>     */</em>
<a name="182" href="#182">182</a>     <strong>public</strong> <strong>void</strong> setRequestValues(Map&lt;String, Object> params) {
<a name="183" href="#183">183</a>         <strong>if</strong> (params != <strong>null</strong> &amp;&amp; params.size() > 0) {
<a name="184" href="#184">184</a>             <strong>for</strong> (Entry&lt;String, Object> entry : params.entrySet()) {
<a name="185" href="#185">185</a>                 setRequestValue(entry.getKey(), entry.getValue());
<a name="186" href="#186">186</a>             }
<a name="187" href="#187">187</a>         }
<a name="188" href="#188">188</a>     }
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>     <strong>protected</strong> Object getRequestValue(String key) {
<a name="191" href="#191">191</a>         Object value = getInternalMap().get(key);
<a name="192" href="#192">192</a>         <strong>if</strong> (value == <strong>null</strong>) {
<a name="193" href="#193">193</a>             value = getAllRequestValues().get(key);
<a name="194" href="#194">194</a>         }
<a name="195" href="#195">195</a>         <strong>if</strong> (value == <strong>null</strong>) {
<a name="196" href="#196">196</a>             <em class="comment">// perhaps get one of the reserved values</em>
<a name="197" href="#197">197</a>             <strong>if</strong> (ReservedKeys._locale.name().equals(key)) {
<a name="198" href="#198">198</a>                 <em class="comment">// _locale</em>
<a name="199" href="#199">199</a>                 value = Locale.getDefault();
<a name="200" href="#200">200</a>             } <strong>else</strong> <strong>if</strong> (ReservedKeys._requestEntityReference.name().equals(key)) {
<a name="201" href="#201">201</a>                 <em class="comment">// _requestEntityReference</em>
<a name="202" href="#202">202</a>                 value = <span class="string">"/describe"</span>; <em class="comment">// default if not known</em>
<a name="203" href="#203">203</a>             } <strong>else</strong> <strong>if</strong> (ReservedKeys._requestActive.name().equals(key)) {
<a name="204" href="#204">204</a>                 <em class="comment">// _requestActive</em>
<a name="205" href="#205">205</a>                 <strong>if</strong> (requestGetter.getRequest() == <strong>null</strong>) {
<a name="206" href="#206">206</a>                     value = false;
<a name="207" href="#207">207</a>                 } <strong>else</strong> {
<a name="208" href="#208">208</a>                     value = <strong>true</strong>;
<a name="209" href="#209">209</a>                 }
<a name="210" href="#210">210</a>             } <strong>else</strong> <strong>if</strong> (ReservedKeys._requestOrigin.name().equals(key)) {
<a name="211" href="#211">211</a>                 <em class="comment">// _requestOrigin</em>
<a name="212" href="#212">212</a>                 value = RequestOrigin.INTERNAL.name();
<a name="213" href="#213">213</a>             }
<a name="214" href="#214">214</a>         }
<a name="215" href="#215">215</a>         <strong>return</strong> value;
<a name="216" href="#216">216</a>     }
<a name="217" href="#217">217</a> 
<a name="218" href="#218">218</a>     <strong>protected</strong> Map&lt;String, Object> getAllRequestValues() {
<a name="219" href="#219">219</a>         HttpServletRequest request = requestGetter.getRequest();
<a name="220" href="#220">220</a>         <strong>return</strong> getRequestValues(request, <strong>true</strong>, <strong>true</strong>, <strong>true</strong>);
<a name="221" href="#221">221</a>     }
<a name="222" href="#222">222</a> 
<a name="223" href="#223">223</a>     <strong>protected</strong> Map&lt;String, Object> getRequestValues(<strong>boolean</strong> includeHeaders, <strong>boolean</strong> includeParams, <strong>boolean</strong> includeAttributes) {
<a name="224" href="#224">224</a>         HttpServletRequest request = requestGetter.getRequest();
<a name="225" href="#225">225</a>         <strong>return</strong> getRequestValues(request, includeHeaders, includeParams, includeAttributes);
<a name="226" href="#226">226</a>     }
<a name="227" href="#227">227</a> 
<a name="228" href="#228">228</a>     @Override
<a name="229" href="#229">229</a>     <strong>public</strong> String toString() {
<a name="230" href="#230">230</a>         <strong>return</strong> <span class="string">"RS:getter="</span>+(<strong>this</strong>.requestGetter != <strong>null</strong>)+<span class="string">":store="</span> + getInternalMap();
<a name="231" href="#231">231</a>     }
<a name="232" href="#232">232</a> 
<a name="233" href="#233">233</a>     <strong>public</strong> <strong>static</strong> <strong>class</strong> EntryComparator implements Comparator&lt;Entry&lt;String, Object>>, Serializable {
<a name="234" href="#234">234</a>         <strong>public</strong> <strong>final</strong> <strong>static</strong> <strong>long</strong> serialVersionUID = 1l;
<a name="235" href="#235">235</a>         <strong>public</strong> <strong>int</strong> compare(Entry&lt;String, Object> o1, Entry&lt;String, Object> o2) {
<a name="236" href="#236">236</a>             <strong>return</strong> o1.getKey().compareTo(o2.getKey());
<a name="237" href="#237">237</a>         }
<a name="238" href="#238">238</a>     }
<a name="239" href="#239">239</a> 
<a name="240" href="#240">240</a>     <em class="comment">// STATIC</em>
<a name="241" href="#241">241</a> 
<a name="242" href="#242">242</a>     <strong>public</strong> <strong>static</strong> Map&lt;String, Object> getRequestValues(HttpServletRequest request, 
<a name="243" href="#243">243</a>             <strong>boolean</strong> includeHeaders, <strong>boolean</strong> includeParams, <strong>boolean</strong> includeAttributes) {
<a name="244" href="#244">244</a>         HashMap&lt;String, Object> m = <strong>new</strong> HashMap&lt;String, Object>();
<a name="245" href="#245">245</a>         <strong>if</strong> (request != <strong>null</strong>) {
<a name="246" href="#246">246</a>             <strong>if</strong> (includeHeaders) {
<a name="247" href="#247">247</a>                 Enumeration&lt;String> headerEnum = request.getHeaderNames();
<a name="248" href="#248">248</a>                 <strong>if</strong> (headerEnum != <strong>null</strong>) {
<a name="249" href="#249">249</a>                     <strong>for</strong> (Enumeration&lt;String> e = headerEnum ; e.hasMoreElements() ;) {
<a name="250" href="#250">250</a>                         String key = e.nextElement();
<a name="251" href="#251">251</a>                         Object value = request.getHeader(key);
<a name="252" href="#252">252</a>                         m.put(key, value);
<a name="253" href="#253">253</a>                     }
<a name="254" href="#254">254</a>                 }
<a name="255" href="#255">255</a>             }
<a name="256" href="#256">256</a>             <strong>if</strong> (includeParams) {
<a name="257" href="#257">257</a>                 Map&lt;String, String[]> pMap = request.getParameterMap();
<a name="258" href="#258">258</a>                 <strong>if</strong> (pMap != <strong>null</strong>) {
<a name="259" href="#259">259</a>                     <strong>for</strong> (Entry&lt;String, String[]> param : pMap.entrySet()) {
<a name="260" href="#260">260</a>                         <strong>if</strong> (param.getValue().length > 1) {
<a name="261" href="#261">261</a>                             m.put(param.getKey(), param.getValue());
<a name="262" href="#262">262</a>                         } <strong>else</strong> {
<a name="263" href="#263">263</a>                             String value = <span class="string">""</span>;
<a name="264" href="#264">264</a>                             <strong>if</strong> (param.getValue().length == 1) {
<a name="265" href="#265">265</a>                                 value = param.getValue()[0];
<a name="266" href="#266">266</a>                             }
<a name="267" href="#267">267</a>                             m.put(param.getKey(), value);
<a name="268" href="#268">268</a>                         }
<a name="269" href="#269">269</a>                     }
<a name="270" href="#270">270</a>                 }
<a name="271" href="#271">271</a>             }
<a name="272" href="#272">272</a>             <strong>if</strong> (includeAttributes) {
<a name="273" href="#273">273</a>                 Enumeration&lt;String> aEnum = request.getAttributeNames();
<a name="274" href="#274">274</a>                 <strong>if</strong> (aEnum != <strong>null</strong>) {
<a name="275" href="#275">275</a>                     <strong>for</strong> (Enumeration&lt;String> e = aEnum ; e.hasMoreElements() ;) {
<a name="276" href="#276">276</a>                         String key = e.nextElement();
<a name="277" href="#277">277</a>                         Object value = request.getAttribute(key);
<a name="278" href="#278">278</a>                         m.put(key, value);
<a name="279" href="#279">279</a>                     }
<a name="280" href="#280">280</a>                 }
<a name="281" href="#281">281</a>             }
<a name="282" href="#282">282</a>             <em class="comment">// encode a select set of values from the request</em>
<a name="283" href="#283">283</a>             m.put(ReservedKeys._locale.name(), request.getLocale());
<a name="284" href="#284">284</a>             m.put(<span class="string">"method"</span>, request.getMethod().toUpperCase());
<a name="285" href="#285">285</a>             m.put(<span class="string">"queryString"</span>, request.getQueryString() == <strong>null</strong> ? <span class="string">""</span> : request.getQueryString());
<a name="286" href="#286">286</a>             m.put(<span class="string">"pathInfo"</span>, request.getPathInfo() == <strong>null</strong> ? <span class="string">""</span> : request.getPathInfo());
<a name="287" href="#287">287</a>         }
<a name="288" href="#288">288</a>         <strong>return</strong> m;
<a name="289" href="#289">289</a>     }
<a name="290" href="#290">290</a> 
<a name="291" href="#291">291</a> }
</pre>
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